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Finding the Fourth Proportional to 34,397.67, 51,591.87 and 15,657.51

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Solution

The fourth proportional to 34,397.67, 51,591.87 and 15,657.51 is: 23,484.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,397.67 : 51,591.87 = 15,657.51 : x
  2. Step 2: Convert to fraction form
    34,397.67/51,591.87 = 15,657.51/x
  3. Step 3: Cross multiply
    34,397.67x = 51,591.87 × 15,657.51
  4. Step 4: Simplify right side
    34,397.67x = 807,800,220.44
  5. Step 5: Solve for x
    x = 807,800,220.44/34,397.67
  6. Step 6: Final answer
    x = 23,484.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.